// ADD record
private void buttonADD_Click(object sender, RoutedEventArgs e)
{
string strMsg = "";
lwdom_RatesID_Model lwridMod = new lwdom_RatesID_Model();
// loads model with data from view
lwridMod = LoadRatesID_Model();
// add the record
if (lwridMod.RateName.Trim() != "")
{
strMsg = LWRIDWkr.Add_RatesID_Rec(lwridMod);
}
else
{
strMsg = "ADD Canceled. No data entered.";
MessageBox.Show(strMsg, "Rate Name", MessageBoxButton.OK, MessageBoxImage.Information);
}
// display the message
labelStatus.Content = strMsg;
// list data
ListModelInGrid();
ResetDisplayFields();
InitialButtonConfiguration();
}
// Method: Get List
public List<lwdom_RatesID_Model> Get_RatesID_List()
{
// building the connection string
// get the provider, activeStatus database name, and path
connectionString = PSWkr.G_SQLDatabaseConnectionString;
string strMsg = "";
// create needed objects
SqlConnection connection;
// building sql command, chemcode is the Key
string sqlStatement = "SELECT ID, RateName " +
"FROM lwdom_RatesID " +
"ORDER BY RateName";
// create List
List<lwdom_RatesID_Model> lwridMod_List = new List<lwdom_RatesID_Model>();
try
{
connection = new SqlConnection(connectionString);
connection.Open();
SqlCommand command = new SqlCommand(sqlStatement, connection);
SqlDataReader reader = command.ExecuteReader();
// read table, populate model
while (reader.Read())
{
lwdom_RatesID_Model lwridMod = new lwdom_RatesID_Model();
lwridMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
lwridMod.RateName = (reader[1] != DBNull.Value) ? (string)reader[1] : "";
// add Equipment to List
lwridMod_List.Add(lwridMod);
}
// close reader, close connection
reader.Close();
connection.Close();
strMsg = "List Complete.";
}
catch (Exception errMsg)
{
strMsg = errMsg.Message.ToString();
}
// return List
return lwridMod_List;
}
// UPDATE
private void buttonUpdate_Click(object sender, RoutedEventArgs e)
{
string strMsg = "";
lwdom_RatesID_Model lwridMod = new lwdom_RatesID_Model();
// loads model with data from view
lwridMod = LoadRatesID_Model();
// add the record
strMsg = LWRIDWkr.Update_RatesID_rec(lwridMod);
// display the message
labelStatus.Content = strMsg;
// list data
ListModelInGrid();
ResetDisplayFields();
InitialButtonConfiguration();
}
// load data model with data from window
private lwdom_RatesID_Model LoadRatesID_Model()
{
int _id = 0;
bool result = false;
lwdom_RatesID_Model lwridMod = new lwdom_RatesID_Model();
result = int.TryParse(lblID.Content.ToString(), out _id);
lwridMod.ID = (result == true) ? _id : 0;
lwridMod.RateName = txtRateName.Text.Trim();
// return model
return lwridMod;
}
// display the data
private void DisplayData(lwdom_RatesID_Model lwridMod)
{
lblID.Content = lwridMod.ID.ToString();
txtRateName.Text = lwridMod.RateName;
}
// Method: get record data based on id
public lwdom_RatesID_Model Get_SpecificRatesID_Record(int recID)
{
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "SELECT ID, RateName " +
"FROM lwdom_RatesID " +
"WHERE ID=@ID";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
// Create object base on LW Rates Model (lwrMod)
lwdom_RatesID_Model lwridMod = new lwdom_RatesID_Model();
try
{
// open the connection
connection.Open();
command.Parameters.AddWithValue("@ID", recID);
// execute the reader
SqlDataReader reader = command.ExecuteReader();
// populate the invoice list
if (reader.Read())
{
lwridMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
lwridMod.RateName = (reader[1] != DBNull.Value) ? (string)reader[1] : "";
}
// the close
reader.Close();
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
// the close
connection.Close();
// return the Model
return lwridMod;
}
// Reset lwdom_Rates Model
private lwdom_RatesID_Model Reset_RatesID_Model(lwdom_RatesID_Model lwridMod)
{
// reset the model
lwridMod.ID = 0;
lwridMod.RateName = "";
// return the model
return lwridMod;
}
// Method: update record
public string Update_RatesID_rec(lwdom_RatesID_Model lwridMod)
{
// Method: update selected Hours Master recore
// update the database
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "UPDATE lwdom_RatesID " +
"SET RateName=@RateName " +
"WHERE ID=@ID";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
try
{
// update the database
connection.Open();
// use of command.parameters... prevents sql injection
command.Parameters.AddWithValue("@RateName", lwridMod.RateName);
//
command.Parameters.AddWithValue("@ID", lwridMod.ID); // must be in the order of the sqlstatement
command.ExecuteNonQuery();
strMsg = "Record was updated.";
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
connection.Close();
return strMsg;
}
// ADD
public string Add_RatesID_Rec(lwdom_RatesID_Model lwridMod)
{
// Method: Create new record
// update the database
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "INSERT INTO lwdom_RatesID (RateName) " +
"VALUES (@RateName)";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
try
{
connection.Open();
// Adding parameters for the Insert Command
command.Parameters.AddWithValue("@RateName", lwridMod.RateName);
command.ExecuteNonQuery();
strMsg = "Record was added.";
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
connection.Close();
return strMsg;
}